None. In Russia, light bulb changes you.
Because Chernobyl fall-out.
Cuz they got tired of Stalin.
It's independent of population size.
Salmon
None. Social scientists do not change light bulbs they search for the root cause as to why the last one went out.
One less now, because the one who tried to steal the light bulb was shot by the cops.
Because he was Snow'den.
He was snowed in.